Why is sun protection so closely tied to aesthetic treatments?
Sunlight is one of the most important external causes of skin ageing and pigmentation. Regular protection prepares the skin before treatments and helps maintain results and skin quality afterwards.
Ultraviolet rays damage collagen and elastin fibres, increase pigment irregularity and can deepen fine lines. Even if you have had Botox, filler or skin-quality treatments, years spent without sun protection continue to affect how the skin looks. Sun protection is therefore the foundation of the whole plan.
Light and heat may also favour colour change at fresh treatment sites. After device treatments such as peels, lasers and microneedling the skin can be more sensitive to the sun, which makes protection even more important. See our activities after treatment page for what to watch in the first days.
How should SPF be chosen and used?
In general, a broad-spectrum sunscreen that protects against UVA and UVB is recommended daily, including on cloudy days, and reapplied when you are outdoors. The choice of factor and formula varies with skin type.
Sunscreen works when applied in enough quantity and evenly; used too sparingly it does not provide the protection on the label. Take care with areas that are always exposed such as the face, neck and chest, and do not skip often-forgotten spots like behind the ears and the nape. Reapplication is advised after long outdoor periods, sweating or contact with water.
Mineral and chemical filters can both be used; for sensitive skin or sensitivity after treatment you can ask your doctor or dermatologist which suits you. Physical protection such as a hat and sunglasses is a valuable addition.
Can retinoids, acids and peeling products be used alongside treatments?
Because these products can thin and sensitise the skin, a pause before and after some treatments may be requested. How long depends on the treatment and the skin, and the doctor decides.
Retinoids and alpha and beta hydroxy acids speed skin renewal and can also make it sensitive. Before device treatments such as lasers, microneedling and peels, doctors often ask for a pause of a set length. With injections, a short pause may be requested so that the injection area is not irritated.
Rather than stopping or adding products on your own, showing all your products at the consultation is the sensible course. Retinoid use in pregnancy and breastfeeding needs separate assessment; we cover this on our page about aesthetic treatments in pregnancy.
What do vitamin C, moisturiser and other home care products do?
Antioxidants such as vitamin C may help support skin appearance when used with sunscreen. Moisturiser protects the skin barrier and adds comfort after treatment. Their effects vary and they do not replace a treatment.
Serums containing antioxidants can be used under sunscreen in the morning routine. However, not every product suits every skin; some forms of vitamin C can irritate sensitive skin. Rather than trying a new product just before or after treatment, it is safer to ask the doctor first.
Moisturisers and gentle cleansers support the skin barrier and add comfort after treatment. No home care product mimics the effect of an injection or device treatment; their role is limited and expectations should reflect that.
What should a daily routine look like to maintain results?
A simple, sustainable routine is usually enough: gentle cleansing, moisturising, morning sun protection and any active products agreed with the doctor. Avoiding smoking, getting enough sleep and eating a balanced diet also support skin health.
The routine does not need to be complicated; consistency is what matters. Using many active products at once can sensitise the skin unnecessarily. A few products suited to your skin type are often the better choice.
If you notice redness, stinging or unexpected reactions after treatment, review your products and consult the doctor. Discussing your care plan at the consultation helps treatments and home care support each other.
Frequently asked questions
Can I use sunscreen after Botox?
The treated area should not be rubbed in the first hours; sunscreen use usually continues afterwards. If your doctor gives specific advice, follow it.
How many days before a treatment should I stop retinoids?
The time varies with the treatment and the skin; it is advised to ask the doctor rather than decide on your own.
Can I use a vitamin C serum after filler?
It is usually safer not to try new products until the needle marks have closed. The doctor sets the timing.
Is sunscreen needed every day?
In general, yes; ultraviolet is active on cloudy days too. Regular protection is especially advised after treatments.
What SPF should I use?
A broad-spectrum product used in sufficient quantity is the key. The choice of factor can be discussed with the doctor according to skin type.
Do home care products replace filler or Botox?
No; home care plays a supporting role and does not produce the effect of an injection or device treatment.
Sources (4)
- American Academy of Dermatology: How to select a sunscreen
- American Academy of Dermatology: How to apply sunscreen
- British Association of Dermatologists: Skin Cancer: How to reduce the risk of developing skin cancer (patient information leaflet)
- EADV / EADO Task Force (Brochez et al.): Messages for ultraviolet-radiation protection to fair-skinned populations (2026)
This content is for general information and does not replace a personal medical assessment.